Icom IC-M603 User Manual
INSTRUCTION MANUAL
VHF MARINE TRANSCEIVER
iM603
FOREWORD
IMPORTANT
Thank you for purchasing this Icom transceiver. The IC-M603
VHF MARINE TRANSCEIVER
state of the art technology and craftsmanship. With proper
care, this transceiver should provide you with years of trouble-free operation.
We want to take a couple of moments of your time to thank
you for making the IC-M603 your radio of choice, and hope
you agree with Icom’s philosophy of “technology first.” Many
hours of research and development went into the design of
your IC-M603.
D
FEATURES
is designed and built with Icom’s
❍ Built-in DSC meets ITU Class D requirement
❍ Rugged waterproof construction
❍ Large LCD with dot matrix characters
❍ Front and rear panel microphone connection
❍ Optional COMMANDMICIII™ (HM-162E) are
available and up to two COMMANDMICIII™s
can be connected
Icom, Icom Inc. and the logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France,
Spain, Russia and/or other countries.
COMMANDMIC is a registered trademark of Icom Incorporated (Japan) in the
United States.
i
READ ALL INSTRUCTIONS carefully and completely
before using the transceiver.
SAVE THIS INSTRUCTION MANUAL — This in-
struction manual contains important operating instructions for
the IC-M603.
EXPLICIT DEFINITIONS
WORD DEFINITION
R WARNING!
CAUTION
NOTE
CLEAN THE TRANSCEIVER AND MICROPHONE THOROUGHLY WITH FRESH WATER after exposure to water
including salt, otherwise, the keys and switch may become
inoperable due to salt crystallization.
Personal injury, fire hazard or electric shock
may occur.
Equipment damage may occur.
Recommended for optimum use. No risk of
personal injury, fire or electric shock.
IN CASE OF EMERGENCY
INSTALLATION NOTE
If your vessel requires assistance, contact other vessels and
the Coast Guard by sending a Distress call on Channel 16.
USING CHANNEL 16
DISTRESS CALL PROCEDURE
1. “MAYDAY MAYDAY MAYDAY.”
2. “THIS IS ...............” (name of vessel).
3. Say your call sign or other indication of the vessel (AND
9-digit DSC ID if you have one).
4. “LOCATED AT ...............” (your position).
5. State the nature of the distress and assistance required.
6. Give any other information which might facilitate the
rescue.
Or, transmit your Distress call using digital selective calling
on Channel 70.
USING DIGITAL SELECTIVE CALLING
(Ch 70)
DISTRESS CALL PROCEDURE
1. While lifting up the key cover, push and hold
[DISTRESS] for 5 sec. until you hear 5 short beeps
change to one long beep.
2. Wait for an acknowledgment on Channel 70 from a coast
station.
• After the acknowledgement is received, Channel 16 is auto-
matically selected.
3. Push and hold [PTT], then transmit the appropriate
information as listed above.
The installation of this equipment should be made in such a
manner as to respect the EC recommended electromagnetic
field exposure limits (1999/519/EC).
The maximum RF power available from this device is 25
watts. The antenna should be installed as high as possible
for maximum efficiency and that this installation height should
be at least 5 meters above ground (or accessible) level. In the
case where an antenna cannot be installed at a reasonable
height, then the transmitter should neither be continuously
operated for long periods if any person is within 5 meters of
the antenna, nor operated at all if any person is touching the
antenna.
In all cases any possible risk depends on the transmitter
being activated for long periods. (actual recommendation limits are specified as an average of 6 minutes) Normally the
transmitter is not active for long periods of time. Some radio licenses will require that a timer circuit automatically cuts the
transmitter after 1–2 minutes etc.
Similarly some types of transmitter, SSB, CW, AM, etc. have a
lower ‘average’ output power and the perceived risk is even
lower.
ii
DOC
DECLARATION
OF CONFORMITY
We Icom Inc. Japan
1-1-32, Kamiminami, Hirano-ku
Osaka 547-0003, Japan
Kind of equipment:
VHF MARINE TRANSCEIVER
This compliances is based on conformity with the following harmonised
standards, specifications or documents:
i)
EN 301 025-2 V1.2.1 (2004-09)
ii)
EN 301 025-3 V1.2.1 (2004-09)
iii) EN 60945 2002
iv) EN 60950-1 2001
v) EN 300 698-2 V1.1.1 ( 2000-08)
vi) EN 300 698-3 V1.1.1 ( 2001-05)
Type-designation: iM603
Signature
Declare on our sole responsibility that this equipment complies with the
essential requirements of the Radio and Telecommunications Terminal
Equipment Directive, 1999/5/EC, and that any applicable Essential Test
Suite measurements have been performed.
Version (where applicable):
0560
Authorized representative name
Place and date of issue
1st Jul. 2006
CE versions of the IC-M603 which display the
“CE” symbol on the serial number seal, comply
with the essential requirements of the European Radio and Telecommunication Terminal
Directive 1999/5/EC.
This warning symbol indicates that this equipment operates in non-harmonised frequency
bands and/or may be subject to licensing conditions in the country of use. Be sure to check that
you have the correct version of this radio or the
correct programming of this radio, to comply with
national licensing requirement.
iii
TABLE OF CONTENTS
FOREWORD ................................................................................... i
IMPORTANT .................................................................................... i
EXPLICIT DEFINITIONS ................................................................. i
IN CASE OF EMERGENCY ........................................................... ii
INSTALLATION NOTE .................................................................... ii
DOC ............................................................................................... iii
TABLE OF CONTENTS ................................................................. iv
PRECAUTIONS ............................................................................. v
1 OPERATING RULES ................................................................ 1
2 PANEL DESCRIPTION ....................................................... 2 – 6
■ Panel description ................................................................... 2
■ Function display .................................................................... 4
■ Microphone ............................................................................ 6
3 BASIC OPERATION ......................................................... 7 – 12
■ Channel selection .................................................................. 7
■ Receiving and transmitting .................................................... 9
■ Call channel programming .................................................. 10
■ Microphone lock function ..................................................... 10
■ Display backlight ................................................................. 10
■ Channel comments .............................................................. 11
■ AquaQuake water draining function ..................................... 11
■ Optional Voice scrambler operation .................................... 12
4 DUALWATCH/TRI-WATCH ..................................................... 13
■ Description .......................................................................... 13
■ Operation ............................................................................. 13
5 SCAN OPERATION ........................................................ 14 – 15
■ Scan types ........................................................................... 14
■ Setting TAG channels .......................................................... 15
■ Starting a scan .................................................................... 15
6 DSC OPERATION ........................................................... 16 – 38
■ MMSI code programming .................................................... 16
■ DSC address ID .................................................................. 16
■ Position and Time programming .......................................... 18
■ Position and Time indication ................................................ 19
■ GPS information indication .................................................. 19
■ Distress call ......................................................................... 20
■ Transmitting DSC calls ........................................................ 23
■ Receiving DSC calls ............................................................ 32
■ Received messages ............................................................ 36
■ DSC Set mode .................................................................... 37
7 OTHER FUNCTIONS ........................................................ 39–42
■ Intercom operation .............................................................. 39
■ Hailer operation ................................................................... 40
■ Automatic foghorn ............................................................... 41
■ RX speaker function ............................................................ 42
8 SET MODE ...................................................................... 43 – 45
■ Set mode programming ....................................................... 43
■ Set mode items ................................................................... 43
9 CONNECTIONS AND MAINTENANCE .......................... 46 – 53
■ Connections ........................................................................ 46
■ Antenna ............................................................................... 47
■ Fuse replacement ................................................................ 47
■ Supplied accessories .......................................................... 47
■ Microphone hanger ............................................................. 47
■ Mounting the transceiver ..................................................... 48
■ MB-75 installation ................................................................ 49
■ Optional unit installation ...................................................... 50
■ HM-162E installation ........................................................... 51
10 TROUBLESHOOTING............................................................. 53
11 SPECIFICATIONS AND OPTIONS ................................. 54 – 55
■ Specifications ....................................................................... 54
■ Options ................................................................................. 55
12 CHANNEL LIST .............................................................. 56 – 57
1
2
3
4
5
6
7
8
9
10
11
12
iv
PRECAUTIONS
RWARNING! NEVER connect the transceiver to an AC
outlet. This may pose a fire hazard or result in an electric
shock.
NEVER connect the transceiver to a power source of more
than 16 V DC or use reverse polarity. This will ruin the transceiver.
NEVER cut the DC power cable between the DC plug and
fuse holder. If an incorrect connection is made after cutting,
the transceiver may be damaged.
NEVER place the transceiver where normal operation of the
vessel may be hindered or where it could cause bodily injury.
KEEP the transceiver at least 1 m away from the ship’s nav-
igation compass.
DO NOT use or place the transceiver in areas with temper-
atures below –20°C or above +60°C or, in areas subject to direct sunlight, such as the dashboard.
AVOID the use of chemical agents such as benzine or al-
cohol when cleaning, as they may damage the transceiver
surfaces. If the transceiver becomes dusty or dirty, wipe it
clean with a soft, dry cloth.
BE CAREFUL! The transceiver rear panel will become
hot when operating continuously for long periods.
Place the transceiver in a secure place to avoid inadvertent
use by children.
BE CAREFUL! The transceiver and the optional HM-
162E*
COMMANDMICIII
which correspond to IPX7 (transceiver) and IPX8 (HM-162E)
respectively, of the international standard IEC 60529 (2001).
However, once the transceiver or microphone has been
dropped, waterproofing cannot be guaranteed due to the fact
that the case may be cracked, or the waterproof seal damaged, etc.
™ employ waterproof construction,
v
OPERATING RULES
1
DD
PRIORITIES
• Read all rules and regulations pertaining to priorities and
keep an up-to-date copy handy. Safety and Distress calls
take priority over all others.
• You must monitor Channel 16 when you are not operating
on another channel.
• False or fraudulent distress signals are prohibited and punishable by law.
DD
PRIVACY
• Information overheard but not intended for you cannot lawfully be used in any way.
• Indecent or profane language is prohibited.
DD
RADIO LICENSES
(1) SHIP STATION LICENSE
You must have a current radio station license before using the
transceiver. It is unlawful to operate a ship station which is not
licensed.
Inquire through your dealer or the appropriate government
agency for a Ship-Radiotelephone license application. This
government-issued license states the call sign which is your
craft’s identification for radio purposes.
(2) OPERATOR’S LICENSE
A Restricted Radiotelephone Operator Permit is the license
most often held by small vessel radio operators when a radio
is not required for safety purposes.
The Restricted Radiotelephone Operator Permit must be
posted or kept with the operator. Only a licensed radio operator may operate a transceiver.
However, non-licensed individuals may talk over a transceiver
if a licensed operator starts, supervises, ends the call and
makes the necessary log entries.
Keep a copy of the current government rules and regulations
handy.
1
1
2
VOL
iM603
VHF MARINE
MIC
C
H/L
DIAL
16
SQL
DISTRESS
Speaker Function display (p. 4)
!3
q!2 tyui!1 !0 ore
w
PANEL DESCRIPTION
■ Panel description
q CLEAR KEY [CLR]
Push to cancel the entered function, exit Set mode. (p. 43)
w FUNCTION KEY [F]
After pushing this key, some keys perform secondary function.
•“F” appears when a secondary function can be accessed.
e DISTRESS KEY [DISTRESS] (pgs. 20, 22)
Push and hold for 5 sec. to transmit a Distress call.
r DSC MENU KEY [MENU] (p. 16)
Push to toggle the DSC menu ON or OFF.
t POWER KEY [POWER] (p. 9)
➥ Push to turn power ON.
➥ Push and hold for 1 sec. to turn power OFF.
y CHANNEL 16/CALL CHANNEL KEY [!6•C]
➥ Push to select Channel 16. (p. 7)
➥ Push and hold for 1 sec. to select call channel. (p. 7)
CCAALLLL
•“
” appears when call channel is selected.
➥ Push and hold for 3 sec. to enter call channel program-
ming condition when call channel is selected. (p. 10)
➥ While pushing and holding [H/L], push to enter channel
comments programming condition. (p. 11)
➥ While turning power ON, push to enter Set mode. (p. 43)
u SELECTOR DIAL [SELECTOR] (pgs. 7–9)
Rotate to select the operating channels, set mode contents, etc.
i DIAL KEY [DIAL]
➥ Selects to the regular channel. (p. 8)
➥ While pushing and holding [H/L], push to select one of
three channel groups in sequence. (p. 8)
• EUR version has International channels only and this function
is not available.
o SQUELCH CONTROL [SQL] (p. 9)
Rotate to set the squelch threshold level.
2
PANEL DESCRIPTION
2
!0 TRANSMIT POWER KEY [H/L]
➥ Push to toggle the output power high or low. (p. 9)
• Some channels are set to low power only.
➥ While pushing and holding this key, some keys perform
secondary functions.
!1 VOLUME CONTROL [VOL] (p. 9)
Rotate to adjust the audio level.
!2 MIC CONNECTOR
Connect the supplied microphone only.
CAUTION: NEVER connect other microphone here,
such as the optional COMMANDMICIII™. It may cause
damage to the transceiver.
!3 KEYPAD
➥ Inputs numeral for channel number input, etc.
• After inputting the desired channel number, push [ENT].
• Push and hold [0•A
➥ Inputs numeral, alphabet and some symbols for chan-
nel comment input.
➥ After pushing [F], push to perform the secondary function.
• Most of secondary function (except TAG channel setting, RX
speaker and Auto foghorn functions) can be cleared or cancelled when [CLR] is pushed.
➥ Number input: ‘1’
➥ Comment input: ‘1,’ ‘Q,’ ‘Z,’ ‘q,’ ‘z’ or space
➥ After pushing [F], push to turn the Dualwatch
function ON or OFF. (p. 13)
] to input ‘A’ for simplex channels.
➥ Number input: ‘2’
➥ Comment input: ‘2,’ ‘A,’ ‘B,’ ‘C’ ‘a,’ ‘b’ or ‘c’
➥ After pushing [F], push to turn the Tri-watch
function ON or OFF. (p. 13)
➥ Number input: ‘3’
➥ Comment input: ‘3,’ ‘D,’ ‘E,’ ‘F,’ ‘d,’ ‘e’ or ‘f’
➥ After pushing [F], push this key then rotate
[SELECTOR] to adjust the brightness of the
LCD and key backlight. (p. 10)
➥ Number input: ‘4’
➥ Comment input: ‘4,’ ‘G,’ ‘H,’ ‘I,’ ‘g,’ ‘h’ or ‘i’
➥ After pushing [F], push to start or stop the scan
function. (p. 15)
➥ Number input: ‘5’
➥ Comment input: ‘5,’ ‘J,’ ‘K,’ ‘L,’ ‘j,’ ‘k’ or ‘l’
➥ After pushing [F], push to set the displayed
channel as a TAG channel. (p. 15)
➥ While pushing and holding [H/L], push for 3 sec.
to clear or set all TAG channels. (p. 15)
➥ Number input: ‘6’
➥ Comment input: ‘6,’ ‘M,’ ‘N,’ ‘O,’ ‘m,’ ‘n’ or ‘o’
2
3
2 PANEL DESCRIPTION
BUSY 25W INT CALL
RX DUP
SCRAM TAG
NORMAL SCAN
-34°34.506N
123°23.236W
UTC 1:10 CALLING
qwert y
!4
!3
!1
!0
!2
i
u
o
➥ Number input: ‘7’
➥ Comment input: ‘7,’ ‘P,’ ‘R,’ ‘S,’ ‘p,’ ‘r’ or ‘s’
➥ After pushing [F], push to turn the Hailer func-
tion ON or OFF. (p. 40)
➥ After pushing [F], push and hold for 1 sec. to
turn the RX speaker function ON or OFF. (p. 42)
➥ Number input: ‘8’
➥ Comment input: ‘8,’ ‘T,’ ‘U,’ ‘V,’ ‘t,’ ‘u’ or ‘v’
➥ After pushing [F], push to turn the Automatic
foghorn function ON or OFF. (p. 42)
➥ Number input: ‘9’
➥ Comment input: ‘9,’ ‘W,’ ‘X,’ ‘Y,’ ‘w,’ ‘x’ or ‘y’
➥ After pushing [F], push to turn the Intercom
function ON or OFF. (p. 39)
➥ Number input: ‘0’
➥ Number input: Push and hold for 1 sec. to edit
➥ Comment input: ‘0’ and symbols (‘–’ ‘/’ ‘.’)
➥ After pushing [F], push to activate an optional
Voice scrambler function. (p. 12)
• The optional Voice Scrambler function cannot be
used on Channel 16 and 70.
➥ Push to enter the input channel comment, se-
lected item, etc.
➥ Push to clear the entered data.
4
‘A’ for simplex channel.
■ Function display
q RX SPEAKER INDICATOR (p. 42)
Appears during the RX speaker mode.
w POWER INDICATOR (p. 9)
2255WW
➥ “
➥ “
e TAG CHANNEL INDICATOR (p. 15)
Appears when a TAG channel is selected.
r DUPLEX INDICATOR (p. 8)
Appears when a duplex channel is selected.
” appears when high power is selected.
11WW
” appears when low power is selected.
PANEL DESCRIPTION
2
t CHANNEL GROUP INDICATOR (p. 8)
Indicates whether an International “
DSC “
DDSSCC
” or ATIS “
AATTIISS
” channel is in use. (Depends
IINNTT
,” U.S.A. “
on version)
y CALL CHANNEL INDICATOR (pgs. 7, 10)
Appears when the call channel is selected.
u LOW BATTERY INDICATOR
Blinks when the battery voltage drops to approx. 10 V DC
or below.
i CHANNEL NUMBER READOUT
Indicates the selected operating channel number.
o CHANNEL COMMENT INDICATOR
Channel comment appears if programmed. (p. 11)
!0 TIME ZONE INDICATOR
➥ Shows the current time data when a GPS receiver is
connected.
????
•“
” may blink every 2 sec. instead of current time data when
the GPS current time data is invalid.
????
•“
” may blink every 2 sec. instead of current time data 4
hours after the time data is input manually, up until 23.5 hours
have past.
LLooccaall
➥ “
” appears when the offset time data is set.
(p. 38)
NNoo TTiimmee
➥ “
” appears when no GPS receiver is con-
nected and no time data is input manually.
UUSSAA
!1 POSITION INDICATOR
,”
➥ Shows the GPS position data.
????
•“
” may blink every 2 sec. instead of position data when the
GPS position data is invalid. In such a case, the last position
data is held for up to 23.5 hours.
????
•“
” may blink every 2 sec. instead of position data 4 hours
after the position data is input manually, up until 23.5 hours
have past.
NNoo PPoossiittiioonn
➥ “
” appears when no GPS receiver is
2
connected and no position data is input manually.
!2 SCAN INDICATOR
PPRRII--SSCCAANN 1166
➥ “
NNOORRMMAALL SSCCAANN
“
DDUUAALL 1166
➥ “
” appears during Dualwatch; “
” appears during Priority scan;
” appears during Normal scan. (p. 15)
TTRRII 1166
” ap-
pears during Tri-watch. (p. 13)
!3 SCRAMBLER INDICATOR (p. 12)
Appears when the voice scrambler function is activated.
(only when the optional scrambler unit is installed.)
!4 BUSY/TRANSMIT INDICATOR (p. 9)
BBUUSSYY
➥ “
” appears when receiving a signal or when the
squelch opens.
TTXX
➥ “
” appears while transmitting.
5
2 PANEL DESCRIPTION
Speaker
Microphone
q
e
w
■ Microphone
q PTT SWITCH [PTT]
Push and hold to transmit; release to receive. (p. 9)
w CHANNEL UP/DOWN KEYS [YY]/[ZZ]
➥ Push either key to change the operating channels, Set
mode settings, etc. (pgs. 7–9, 43)
➥ Checks TAG channels, changes scanning direction or
resumes the scan manually during scan. (p. 15)
e TRANSMIT POWER KEY [HI/LO]
➥ Push to toggle the power high and low. (p. 9)
• Some channels are set to low power only.
➥ While pushing and holding [HI/LO], turn power ON to
toggle the Microphone lock function ON and OFF.
(p. 10)
6
■ Channel selection
25W25W INTINT CALLCALL
TAGTAG
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 CALLINGCALLING
Push
for 1 sec.
C
16
25W25W INTINT
TAGTAG
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 CALLINGCALLING
Push
C
16
DD
Channel 16
Channel 16 is the distress and safety channel. It is used for
establishing initial contact with a station and for emergency
communications. Channel 16 is monitored during both Dualwatch and Tri-watch. While standing by, you must monitor
Channel 16.
BASIC OPERATION
DD
Call channel
Each regular channel group has a separate leisure-use call
channel. The call channel is monitored during Tri-watch. The
call channels can be programmed (p. 10) and are used to
store your most often used channel in each channel group for
quick recall.
3
2
3
➥ Push [!6•C] momentarily to select Channel 16.
➥ Push [DIAL] to return to the condition before selecting Chan-
nel 16, or rotate [SELECTOR] to select a channel.
• Pushing the keypad or [YY]/[ZZ] on the microphone also selects a
channel.
Convenient!
When the Favorite channel function is turned ON (p. 45),
[Y]/[Z] keys on the microphone select the favorite channels
in the selected channel group in sequence when pushed.
• The favorite channels are set by the TAG channel setting. (p. 15)
➥ Push and hold [!6•C] for 1 sec. to select the call channel of
the selected channel group.
CCAALLLL
•“
” and call channel number appear.
• Each channel group may have an independent call channel after
programming a call channel. (p. 10)
➥ Push [DIAL] to return to the condition before selecting call
channel, or rotate [SELECTOR] to select a channel.
• Pushing the keypad or [YY]/[ZZ] on the microphone also selects a
channel.
7
3 BASIC OPERATION
25W25W DSCDSC
TAGTAG
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 CALLINGCALLING
1W1W ATISATIS
COMMERCIALCOMMERCIAL
ATIS channel DSC channel
Push +
H/L
DIAL
25W25W USAUSA
DUPDUP
TAGTAG
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 PORTPORT OPROPR
Push +
H/L
DIAL
25W25W INTINT
DUPDUP
TAGTAG
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 PORTPORT OPROPR
Push +
H/L
DIAL
ïï
International channels
There are pre-programmed 57 international channels for the
IC-M603.
q Push [DIAL] to select a regular channel.
w While pushing and holding [H/L], push [DIAL] to change
the channel group, if necessary.
IINNTT
•“
” appears when International channel is selected.
e Rotate [SELECTOR] to select a channel.
DDUUPP
•“
” appears for duplex channels.
• Pushing the keypad or [YY]/[ZZ] on the microphone also selects a
channel.
ïï
U.S.A. channels (U.K. version only)
For U.K. version, there are pre-programmed 61 U.S.A. channels in addition to 59 International channels.
q Push [DIAL] to select a regular channel.
w While pushing and holding [H/L], push [DIAL] to change
the channel group, if necessary.
• International and U.S.A. channels can be selected in sequence.
e Rotate [SELECTOR] to select a channel.
DDUUPP
•“
• Pushing the keypad or [YY]/[ZZ] on the microphone also selects a
8
channel.
” appears for duplex channels.
ïï
ATIS and DSC channels (Holland and FRG versions only)
For Holland and FRG version, there are pre-programmed 57
ATIS and 57 DSC* channels in addition to 58
or 56 (FRG version)
*FRG version only
International channels.
(Holland version)
q Push [DIAL] to select a regular channel.
w While pushing and holding [H/L], push [DIAL] to change
the channel group, if necessary.
• International, ATIS and DSC channels can be selected in sequence.
e Rotate [SELECTOR] to select a channel.
DDUUPP
•“
” appears for duplex channels.
• Pushing the keypad or [YY]/[ZZ] on the microphone also selects a
channel.
■ Receiving and transmitting
VOL
iM603
VHF MARINE
MIC
C
16
SQL
Microphone
w
eeyu
qrrte
t
r
BASIC OPERATION
3
CAUTION: Transmitting without an antenna will damage
the transceiver.
q Push [POWER] to turn power ON.
w Set the audio and squelch levels.
➥ Rotate [SQL] fully counterclockwise in advance.
➥ Rotate [VOL] to adjust the audio output level.
➥ Rotate [SQL] clockwise until the noise disappears.
e While pushing and holding [H/L], push [DIAL] several
times to change the channel group. (p. 8)
r Rotate [SELECTOR] to select a channel. (pgs. 6, 7, 57)
• Pushing the keypad or [YY]/[ZZ] on the microphone also selects a
channel.
• When receiving a signal, “
from the speaker.
• Further adjustment of [VOL] may be necessary.
t Push [H/L] to select the output power if necessary.
2255WW
•“
spectively.
• Choose low power for short range communications, choose high
power for longer distance communications.
• Some channels are for low power only.
y Push and hold [PTT] to transmit, then speak into the mi-
” or “
11WW
” appears when high or low power is selected, re-
crophone.
TTXX
•“
” appears.
• Channel 70 cannot be used for transmission other than DSC.
u Release [PTT] to receive.
BBUUSSYY
” appears and audio is emitted
IMPORTANT: To maximize the readability of your transmitted signal, pause a few sec. after pushing [PTT], hold
the microphone 5 to 10 cm from your mouth and speak at
a normal voice level.
✔ NOTE for TOT (Time-out Timer) function
The TOT function inhibits continuous transmission over a preset time period after the transmission starts.
A beep sounds 10 sec. before the TOT function activates, to
indicate the transmission will be shut down and “
TTOOTT
” appears on the channel comment indicator. Transmission is not
possible for 10 sec. after this transmission shut down.
3
9
3 BASIC OPERATION
[HI/LO]
[Y]/[Z]
25W25W INTINT CALLCALL
TAGTAG
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 CALLINGCALLING
25W25W INTINT CALLCALL
DUPDUP
TAGTAG
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 INTLINTL
■ Call channel programming
You can program the call channel with your most often-used
channels in each channel group for quick recall.
q While pushing and holding [H/L], push [DIAL] several
times to select the desired channel group (INT, USA, ATIS
or DSC) to be programmed.
w Push and hold [!6•C] for 1 sec. to select the call channel of
the selected channel group.
•“
e Push and hold [!6•C] again
for 3 sec. (until a long beep
changes to 2 short beeps)
to enter call channel programming condition.
• Channel number starts blinking.
r Rotate [SELECTOR] to se-
lect the desired channel.
t Push [!6•C] to program the
displayed channel as the
call channel.
• Push [CLR] to cancel.
• The channel number stops
blinking.
10
CCAALLLL
” and call channel number appear.
■ Microphone lock function
The Microphone lock function electrically locks [Y]/[Z] and
[HI/LO] keys on the supplied microphone. This prevents ac-
cidental channel changes and function access.
➥ While pushing and holding [HI/LO] on the microphone,
turn power ON to toggle the Microphone lock function ON
and OFF.
■ Display backlight
The function display and keys can be backlit for better visibility under low light conditions.
➥ After pushing [F], push [3• ] then rotate [SELECTOR]
to adjust the brightness of the LCD and key backlight.
Then push [ENT].
• The backlight is adjustable in 7 levels and OFF.
DIM
BASIC OPERATION
KEY CHARACTERSKEY CHARACTERS
1 Q Z q z (space)
2 A B C a b c
3 D E F d e f
4 G H I g h i
5 J K L j k l
6 M N O m n o
7 P R S p r s
8 T U V t u v
9 W X Y w x y
0 - / .
25W25W INTINT
TAGTAG
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00PLEASURE__PLEASURE__
3
■ Channel comments
Memory channels can be labeled with a unique alphanumeric
ID of up to 10 characters each.
Capital letters, small letters, 0 to 9, some symbols (
and space can be used.
q Select the desired channel.
• Cancel Dualwatch, Tri-watch or Scan in advance.
w While pushing and holding [H/L], push [!6•C] to edit the
channel comment.
• A cursor and the first character start blinking alternately.
e Push the appropriate key several times to enter the de-
sired character.
• See the table at right for available characters.
• Rotate [SELECTOR] or push [YY]/[ZZ] on the microphone to
move the cursor.
• Push [CE] to clear the channel comment.
• Push [CLR] to cancel and exit the condition.
r Push [ENT] to input and set the comment.
• The cursor and the character stop blinking.
t Repeat steps q to r to program other channel com-
ments, if desired.
-- .. //
• Available characters
)
■
AquaQuake water draining function
The IC-M603 uses a new technology to clear water away
from the speaker grill: AquaQuake. AquaQuake helps drain
water away from the speaker housing (water that might otherwise muffle the sound coming from the speaker). The ICM603 emits a vibrating noise when this function is being
used.
➥ While pushing and holding [H/L], turn power ON.
• A low beep tone sounds while [H/L] key is pushed and held to
drain water, regardless of [VOL] control setting.
• The transceiver never accepts a key operation while the
AquaQuake function is activated.
While pushing and holding [PTT] on the optional HM-162E,
turn power ON to clear water away from the HM-162E.
3
11
3 BASIC OPERATION
--Set Mode-Scrambler Code
˘5
≤
4
3
2
≥
<ENT˘OK>
--Set Mode--
Beep
≤
Internal Speaker
Contrast
Foghorn Frequency
Radio Power
Scrambler Type
˘Scrambler Code
≥
--Set Mode--
˘Scan TypeType
Scan Timer
Beep
InternalInternal Speaker
ContrastContrast
Foghorn Frequency
Radio Power
≥
Select
Select
to enter
Set mode
POWER
+
Push
9
16
to select item.
Rotate
to select code.
Rotate
Push Push
■ Optional Voice scrambler operation
12
DD
Activating the scrambler function
The optional Voice scrambler provides private communications. In order to receive or send scrambled transmissions you
must first activate the scrambler function. To activate the function, an optional scrambler unit is necessary. See pgs. 45 and
50 for setting the scrambler unit. Ask your dealer for details.
The scrambler function automatically turns OFF when
Channel 16 or 70 is selected.
q Rotate [SELECTOR] to select the desired channel other
than Channel 16 and 70.
w Push [F], then push [0] to turn the Voice scrambler func-
tion ON.
SSCCRRAAMM
•“
” appears.
e To turn the scrambler function OFF, repeat step w.
SSCCRRAAMM
•“
” disappears.
[Example]: Programming scrambler code 8.
DD
Programming scrambler codes
There are 32 codes (1 to 32) or 128 codes (0 to 127)* available for programming when an optional scrambler unit is installed. In order to understand one another, all transceivers
in your group must have the same scramble code. This function may not be available depending on dealer setting.
*Depends on the installed scrambler unit.
q While pushing and holding [!6•C], push [POWER] to enter
Set mode.
• Turn power OFF in advance.
w After the display appears, release [!6•C].
e Rotate [SELECTOR] to select the “
SSccrraammbblleerr CCooddee
push [ENT].
r Rotate [SELECTOR] to select the desired scrambler code.
t Push [ENT] to set and exit the scrambler code item.
y Push [CLR], or rotate [SELECTOR] to select “
EExxiitt
then push [ENT] to exit Set mode.
,”
,”
DUALWATCH/TRI-WATCH
Dualwatch Tri-watch
Call channel
25W25W INTINT
DUPDUP
TAGTAG
TRITRI 1616
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 TELEPHONETELEPHONE
BUSYBUSY 25W25W INTINT CALLCALL
DUPDUP
TAGTAG
TRITRI 1616
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 INTLINTL
Tri-watch starts. Signal is received on call
channel.
BUSYBUSY 25W25W INTINT
DUPDUP
TAGTAG
TRITRI 1616
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 TELEPHONETELEPHONE
Signal received on Channel
16 takes priority.
25W25W INTINT
DUPDUP
TAGTAG
TRITRI 1616
3434°34.506N34.506N
123123°23.236W23.236W
UTCUTC 1212:00:00 TELEPHONETELEPHONE
Tri-watch resumes after the
signal disappears.
4
■ Description
Dualwatch monitors Channel 16 while you are receiving
on another channel; Tri-watch monitors Channel 16 and the
call channel while receiving another channel. Dualwatch/Triwatch is convenient for monitoring Channel 16 when you are
operating on another channel.
DUALWATCH/TRI-WATCH SIMULATION
• If a signal is received on Channel 16, Dualwatch/Tri-watch
pauses on Channel 16 until the signal disappears.
• If a signal is received on the call channel during Tri-watch,
Tri-watch becomes Dualwatch until the signal disappears.
• To transmit on the selected channel during Dualwatch/Triwatch, push and hold [PTT].
■ Operation
q Select the desired channel.
w Push [F], then push [1• ] to start Dualwatch or
TRI
[2• ] to start Tri-watch.
DDUUAALL 1166
•“
ing Tri-watch.
• A beep tone sounds when a signal is received on Channel 16.
” appears during Dualwatch; “
e To cancel Dualwatch or Tri-watch, push [CLR] or repeat
step w.
[Example]: Operating Tri-watch on INT Channel 25
DUAL
TTRRII 1166
” appears dur-
3
4
13
5
SCAN OPERATION
■ Scan types
Scanning is an efficient way to locate signals quickly over a
wide frequency range. The transceiver has Priority scan and
Normal scan.
PRIORITY SCAN
CH 01
CH 06
CH 05 CH 04
Priority scan searches through all TAG channels in sequence while monitoring Channel 16. When a signal is detected on Channel 16, scan pauses until the signal disappears; when a signal is detected on a channel other than
Channel 16, scan becomes Dualwatch until the signal disappears.
CH 16
CH 02
CH 03
Set the TAG channels (scanned channel) before scanning.
Clear the TAG channels which inconveniently stop scanning,
such as those for digital communication use. (Refer to the
right page for details.)
Choose Priority or Normal scan in Set mode. (p. 43)
NORMAL SCAN
CH 01 CH 02
CH 06
CH 05 CH 04
Normal scan, like priority scan, searches through all TAG
channels in sequence. However, unlike priority scan, Channel 16 is not checked unless Channel 16 is set as a TAG
channel.
CH 03
14
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